package com.atguigu.lease.web.app.service.impl;

import com.atguigu.lease.model.entity.BrowsingHistory;
import com.atguigu.lease.web.app.mapper.BrowsingHistoryMapper;
import com.atguigu.lease.web.app.service.BrowsingHistoryService;
import com.atguigu.lease.web.app.vo.history.HistoryItemVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * @author liubo
 * @description 针对表【browsing_history(浏览历史)】的数据库操作Service实现
 * @createDate 2023-07-26 11:12:39
 */
@Service
@Slf4j
public class BrowsingHistoryServiceImpl extends ServiceImpl<BrowsingHistoryMapper, BrowsingHistory>
        implements BrowsingHistoryService {
@Autowired
BrowsingHistoryMapper browsingHistoryMapper;

    @Override
    @Async    // 该注解会开启一个异步的线程
    public  void saveHistory(Long userId, Long id) {
      /*  try {
            Thread.sleep(5000);
            System.out.println("浏览历史保存成功");
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }*/

        BrowsingHistory browsingHistory=new BrowsingHistory();
        browsingHistory.setUserId(userId);
        browsingHistory.setRoomId(id);
        browsingHistory.setBrowseTime(new Date());

        //查询 登录的用户之前有没有该房间的浏览记录
        Long count = browsingHistoryMapper.selectCount(new LambdaQueryWrapper<BrowsingHistory>().eq(BrowsingHistory::getUserId, userId).eq(BrowsingHistory::getRoomId, id));
        if(count>0){
             //更新登录用户查询当前房间的浏览记录
             browsingHistoryMapper.update(browsingHistory,new LambdaUpdateWrapper<BrowsingHistory>().eq(BrowsingHistory::getUserId, userId).eq(BrowsingHistory::getRoomId, id));

        }else{
            //添加浏览记录
            browsingHistoryMapper.insert(browsingHistory);
        }



    }

    @Override
    public IPage<HistoryItemVo> pageInfo(Page<HistoryItemVo> historyItemVoPage, Long userId) {
        return browsingHistoryMapper.pageInfo(historyItemVoPage,userId);
    }
}




